三层漫游后终端获取不到IP地址
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问题描述：
用户正常接入可以获取IP地址，三层漫游后终端获取不到IP地址，要等很久能可以获取到。本地转发，AC、DHCP 配置均无问题，是什么原因导致的 ？
组网及组网描述：
AC：WX3510H AP：4320-ACN AC旁挂在思科核心上，DHCP在思科核心上。
- 2017-07-22提问
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这很难讲诶 有配置贴出来看看嘛
- 2017-07-22回答
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配置就是正常配置做的本地转发，DHCP在思科核心上。正常接入都没问题，三层漫游就获取不到IP地址
[XYKG-AC]dis c
[XYKG-AC]dis client-proximity-sensor
^
% Incomplete command found at '^' position.
[XYKG-AC] dis cu
[XYKG-AC]dis current-configuration
#
version 7.1.064, Release 5208P03
#
sysname XYKG-AC
#
telnet server enable
#
irf mac-address persistent timer
irf auto-update enable
irf auto-merge enable
irf member 1 priority 1
#
lldp global enable
#
password-recovery enable
#
vlan 1
#
vlan 50 to 51
#
irf-port 1
#
stp global enable
#
wlan service-template 1
ssid Sunriver-new
client forwarding-location ap
akm mode psk
preshared-key pass-phrase cipher $c$3$8gMBBtVn02hyhZ1wBaCMPFvUb+/67Ezu9oNL
cipher-suite ccmp
security-ie rsn
service-template enable
#
interface NULL0
#
interface Vlan-interface50
ip address 192.168.50.2 255.255.255.0
#
interface Vlan-interface51
ip address 192.168.51.1 255.255.255.0
#
interface GigabitEthernet1/0/1
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 50 to 51
#
interface GigabitEthernet1/0/2
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 50 to 51
#
interface GigabitEthernet1/0/3
#
interface GigabitEthernet1/0/4
#
interface GigabitEthernet1/0/5
#
interface GigabitEthernet1/0/6
#
interface GigabitEthernet1/0/7
#
interface GigabitEthernet1/0/8
#
scheduler logfile size 16
#
line class console
user-role network-admin
#
line class vty
user-role network-operator
#
line con 0
user-role network-admin
#
line vty 0 31
authentication-mode scheme
user-role network-operator
#
ip route-static 0.0.0.0 0 192.168.51.254
#
undo info-center logfile enable
#
snmp-agent
snmp-agent local-engineid 800063A28074EACB7E4B3000000001
snmp-agent community read read
snmp-agent community write write
snmp-agent sys-info version all
#
domain system
#
domain default enable system
#
role name level-0
description Predefined level-0 role
#
role name level-1
description Predefined level-1 role
#
role name level-2
description Predefined level-2 role
#
role name level-3
description Predefined level-3 role
#
role name level-4
description Predefined level-4 role
#
role name level-5
description Predefined level-5 role
#
role name level-6
description Predefined level-6 role
#
role name level-7
description Predefined level-7 role
#
role name level-8
description Predefined level-8 role
#
role name level-9
description Predefined level-9 role
#
role name level-10
description Predefined level-10 role
#
role name level-11
description Predefined level-11 role
#
role name level-12
description Predefined level-12 role
#
role name level-13
description Predefined level-13 role
#
role name level-14
description Predefined level-14 role
#
user-group system
#
local-user admin class manage
password hash $h$6$64NmF3CkX/LDBK8W$1NB9k7LpNuG4xGRcQrYEEjW3GVxEjVNJMvc1JfX2r/ry8/W62hNlyFCOfzZfiNbQKqJTxhK89Uz1HRYFmCLyJg==
service-type telnet http https
authorization-attribute user-role level-15
authorization-attribute user-role network-admin
#
ip https enable
#
wlan auto-ap enable
wlan auto-persistent enable
#
wlan global-configuration
#
wlan ap-group default-group
vlan 1
#
wlan ap a1701nw12 model WA5320
serial-id 219801A0YD8176E03958
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1702wc13 model WA5320
serial-id 219801A0YD8176E03943
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1703sw14 model WA5320
serial-id 219801A0YD8176E03933
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1704sm15 model WA5320
serial-id 219801A0YD8176E05340
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1705se16 model WA5320
serial-id 219801A0YD8176E05330
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1706ne17 model WA5320
serial-id 219801A0YD8176E04973
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1707nm18 model WA5320
serial-id 219801A0YD8176E05283
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1801nw20 model WA5320
serial-id 219801A0YD8176E05357
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1803sw22 model WA5320
serial-id 219801A0YD8176E03884
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1804se23 model WA5320
serial-id 219801A0YD8176E04012
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1805ne24 model WA5320
serial-id 219801A0YD8176E03960
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1806nm25 model WA5320
serial-id 219801A0YD8176E03885
map-configuration cfa0:/vlan23.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 23
radio 2
radio enable
service-template 1 vlan 23
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1901nw27 model WA5320
serial-id 219801A0YD8176E03952
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1902wc28 model WA5320
serial-id 219801A0YD8176E03972
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1903sw29 model WA5320
serial-id 219801A0YD8176E03999
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1904sm30 model WA5320
serial-id 219801A0YD8176E04002
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1905se31 model WA5320
serial-id 219801A0YD8176E03970
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1906ne32 model WA5320
serial-id 219801A0YD8176E05448
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a1907nm33 model WA5320
serial-id 219801A0YD8176E03982
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2001nw34 model WA5320
serial-id 219801A0YD8176E03986
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2002sw35 model WA5320
serial-id 219801A0YD8176E05399
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2003se36 model WA5320
serial-id 219801A0YD8176E05412
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2004ne37 model WA5320
serial-id 219801A0YD8176E03995
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2005nm38 model WA5320
serial-id 219801A0YD8176E05470
map-configuration cfa0:/vlan31.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 31
radio 2
radio enable
service-template 1 vlan 31
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2101nw39 model WA5320
serial-id 219801A0YD8176E05156
map-configuration cfa0:/vlan39.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 39
radio 2
radio enable
service-template 1 vlan 39
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2102sw40 model WA5320
serial-id 219801A0YD8176E03964
map-configuration cfa0:/vlan39.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 39
radio 2
radio enable
service-template 1 vlan 39
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2103wc41 model WA5320
serial-id 219801A0YD8176E05416
map-configuration cfa0:/vlan39.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 39
radio 2
radio enable
service-template 1 vlan 39
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2301nw55 model WA5320
serial-id 219801A0YD8176E05405
map-configuration cfa0:/vlan47.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 47
radio 2
radio enable
service-template 1 vlan 47
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2302sw56 model WA5320
serial-id 219801A0YD8176E05378
map-configuration cfa0:/vlan47.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 47
radio 2
radio enable
service-template 1 vlan 47
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2303sm57 model WA5320
serial-id 219801A0YD8176E05414
map-configuration cfa0:/vlan47.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 47
radio 2
radio enable
service-template 1 vlan 47
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2304se58 model WA5320
serial-id 219801A0YD8176E05424
map-configuration cfa0:/vlan47.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 47
radio 2
radio enable
service-template 1 vlan 47
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2305ne59 model WA5320
serial-id 219801A0YD8176E05359
map-configuration cfa0:/vlan47.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 47
radio 2
radio enable
service-template 1 vlan 47
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2306nm60 model WA5320
serial-id 219801A0YD8176E05312
map-configuration cfa0:/vlan47.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 47
radio 2
radio enable
service-template 1 vlan 47
gigabitethernet 1
gigabitethernet 2
#
wlan ap a2308er62 model WA5320
serial-id 219801A0YD8176E05270
map-configuration cfa0:/vlan47.txt
vlan 1
radio 1
radio enable
service-template 1 vlan 47
radio 2
radio enable
service-template 1 vlan 47
gigabitethernet 1
gigabitethernet 2
#
return
[XYKG-AC]
[XYKG-AC]
- 2017-07-22回答
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我也遇到这个问题，只要开启快速漫游，三层漫游过去会获取不到ip，苹果变169开头的ip上不了网，关闭快速漫游后就正常，会带vlan和ip漫游到新ap，开启快速漫游关闭vlan保持，同样正常，只不过会连接新ap就获取一次地址。
- 2020-04-26回答
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本地转发三层漫游时，从A区域漫游到B区域后发现AP上会自动创建A区域的vlan，在AC上查看client 发现vlan信息还是A区域的，那么我的接入交换机需要创建A区域的vlan信息？
漫游对于AC而言就是保证vlan不变，对于上线过的用户，AC会默认保持vlan信息180s，所以本地转发就必须要保证交换机将业务vlan放过去（集中只要管理vlan就行）。如果sta跑到其他区域需要vlan改变，那种就不是纯粹的漫游，最多叫重新接入
但是我遇到sta跑到其他区域后AP上会自动生成之前区域的vlan信息，这个是什么机制呢 ？sta跑到其他区域后仍然使用之前区域的vlan信息导致用户获取不到IP地址。
这个就是漫游的机制啊（各个厂家不太一样），保持原来的地址信息不变。有一条命令client cache aging-time 可以控制，配置成0就是不继承原先的vlan信息